Standard Metric Thread Size: M4 (0.7mm Pitch)Thread Length: 35mm / 1.38"Head Size: 25mm x 11mm / 0.98" x 0.43" (D*T)Step Size: 14mm x 3.8mm / 0.55" x 0.15" (d*t)Total Length: 48mm / 1.89"Knob Style: 6-StarColor: BlackPackage Included: 20pcs x M4 Star Clamping Knobs, 20pcs x M4 Nuts, 20pcs x M4 WashersThreaded studs on the hand knobs are made of zinc plated carbon steel, with durability, strength, functionality and wear resistance, providing reliable performance. Thermoplastic 6-star head knobs provide durability, a smooth surface and comfortable grip. 304 stainless steel washers and nuts offer excellent corrosion and rust resistance, oxidation resistance and high strength.6-point star design for easy grip, preventing slippage and ensuring stable operation.
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